netdev - Re: [PATCH net 1/3] flex_array: make FLEX_ARRAY_BASE_SIZE the same value of FLEX_ARRAY_PART

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Message-ID: <CADvbK_fLgF7gAj=FagHcw+bkMVGahKF4_Bcc+JaZdALT2DXf5g@mail.gmail.com>
Date:   Thu, 6 Dec 2018 14:48:40 +0900
From:   Xin Long <lucien.xin@...il.com>
To:     davem <davem@...emloft.net>
Cc:     network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        Dave Hansen <dave@...ux.vnet.ibm.com>,
        Konstantin Khorenko <khorenko@...tuozzo.com>
Subject: Re: [PATCH net 1/3] flex_array: make FLEX_ARRAY_BASE_SIZE the same
 value of FLEX_ARRAY_PART_SIZE

On Thu, Dec 6, 2018 at 1:38 PM David Miller <davem@...emloft.net> wrote:
>
> From: Xin Long <lucien.xin@...il.com>
> Date: Wed,  5 Dec 2018 14:49:40 +0800
>
> > This patch is to separate the base data memory from struct flex_array and
> > save it into a page. With this change, total_nr_elements of a flex_array
> > can grow or shrink without having the old element's memory changed when
> > the new size of the flex_arry crosses FLEX_ARRAY_BASE_SIZE, which will
> > be added in the next patch.
> >
> > Suggested-by: Neil Horman <nhorman@...driver.com>
> > Signed-off-by: Xin Long <lucien.xin@...il.com>
>
> This needs to be reviewed by the flex array hackers and lkml.
>
> It can't just get reviewed on netdev alone.
Will repost with CCing lkml and
the author:
  "Dave Hansen <dave.hansen@...ux.intel.com>"
and two contributors:
  "David Rientjes <rientjes@...gle.com>", "Eric Paris <eparis@...hat.com>"

Thanks.